13
13
D-EJ2000
5-2. Block Diagram – Main Section (2/2) –
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
6
24
79
30
39
26
25
38
Q302
LINE MUTE
CONTROL SWITCH
LINE ON
AD SEL
XRST
BEEP
A
VLS
AD RMKEY
AD KEY
G-PRO
IC801(2/3)
SYSTEM CONTROLLER
VCC3
(LINE OUT JACK)
J301
LINE OUT
(OPTICAL)
OPTICAL
TRANSMITTER
31
TSB
VCPU 1.9V
TSB
RMKEY
GND
J302
i
S805 – 807
S805
4
3
2
1
VCPU 1.9V
NORM
LIMIT
S802
AVLS
VCPU 1.9V
IN_L
IN_R
IC301
HEADPHONE AMP
13
12
OUT_L
OUT_R
BEEPO_L
BEEPO_R
4
9
PW_SW
MUTE_SW
17
BEEP_I
18
PW SW
BEEP
MT SW
16
SL806
(TEST)
F
H
I
G
DOUT
AOUTR
AOUTR
AOUTL
AOUTL
LRMU
XRST
Q101, 201
MUTING
VCPU 1.9V
G-PROTECTION
S803
3
10
S806
> u .
x
+
S807
–
VOL
2
1
7
5
4
3
IC302
ATT SWITCH
2
1
VCPU 1.9V
VCPU 1.9V
40
HOLD
28
CLOSE
HOLD
OFF
S804
(OPEN/CLOSE DETECT)
SL805
(OPEN)
S801
HOLD
>
Содержание CD Walkman D-EJ2000
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